Home / 13,912.40-20,866.34-4,552.28

Finding the Fourth Proportional to 13,912.40, 20,866.34 and 4,552.28

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Solution

The fourth proportional to 13,912.40, 20,866.34 and 4,552.28 is: 6,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.40 : 20,866.34 = 4,552.28 : x
  2. Step 2: Convert to fraction form
    13,912.40/20,866.34 = 4,552.28/x
  3. Step 3: Cross multiply
    13,912.40x = 20,866.34 × 4,552.28
  4. Step 4: Simplify right side
    13,912.40x = 94,989,407.55
  5. Step 5: Solve for x
    x = 94,989,407.55/13,912.40
  6. Step 6: Final answer
    x = 6,827.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.